通过二次合成工艺制备了0.25 Pb(Mg1/3Nb2/3)O3-0.15Pb(Ni1/3Nb2/3)O3-zPbZrO3-wPbTiO3四元系压电陶瓷,其中w/z=1.6～1.65.研究了合成温度、烧结温度和极化等制备工艺对材料结构和性能的影响.结果表明:在合成温度为1050℃/860℃,烧结温度为1180℃,极化场强为5000V/mm时,材料具有良好的综合性能,其各项主要参数为:d33=(610～633)pC/N,Tc=234～235℃,εT33/ε0=3950～4015,Qm=81,Kp=0.63～0.66,tanδ=(1.7～2.0)%.
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